Home / 38,778.70-58,156.81-17,707.56

Finding the Fourth Proportional to 38,778.70, 58,156.81 and 17,707.56

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Solution

The fourth proportional to 38,778.70, 58,156.81 and 17,707.56 is: 26,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.70 : 58,156.81 = 17,707.56 : x
  2. Step 2: Convert to fraction form
    38,778.70/58,156.81 = 17,707.56/x
  3. Step 3: Cross multiply
    38,778.70x = 58,156.81 × 17,707.56
  4. Step 4: Simplify right side
    38,778.70x = 1,029,815,317.06
  5. Step 5: Solve for x
    x = 1,029,815,317.06/38,778.70
  6. Step 6: Final answer
    x = 26,556.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.